Description
Haynes 625
HAYNES® 625 alloy (UNS N06625) is a nickel- chromium-molybdenum alloy with excellent strength from room temperature up to about 1500°F (816°C). At higher temperatures, its strength is generally lower than that of other solid-solution strengthened alloys. Alloy 625 has good oxidation resistance at temperatures up to 1800°F (982°C) and provides good resistance to aqueous corrosion, but generally not as effectively as modern HASTELLOY® corrosion-resistant alloys.
%Chemical Composition
| Mn | Mo | Cr | Fe | Co | Ni |
| (max) 0.5 | 9 | 21 | (max) 5 | (max) 1 | Balance |
| C | Ti | Al | Si | Nb & Ta | |
| (max) 0.1 | (max) 0.4 | (max) 0.4 | (max) 0.5 | 3.7 | |
Density & Melting Range
| Melting Range (Celsius) | Density |
| 1349 – 1288 | (g/cm) 8.44 |
Specifications
| AMS 5599 SB 443/B 443 AMS 5869 P= 43 |
Sheet, Plate & Strip |
| AMS 5666 SB 446/B 446 B 472 P= 43 |
Billet, Rod & Bar |
| SFA 5.11/ A 5.11 (ENiCrMo-3) F= 43 |
Coated Electrodes |
| SFA 5.14/ A 5.14 (ERNiCrMo-3) AMS 5837 F= 43 |
Bare Welding Rods & Wire |
| AMS 5581 SB 444/B 444 P= 43 |
Seamless Pipe & Tube |
| AMS 5581 SB 704/B 704 SB 705/B 705 P= 43 |
Welded Pipe & Tube |
| SB 366/B 366 P= 43 |
Fittings |
| AMS 5666 SB 564/B 564 P= 43 |
Forgings |
| 17744 No. 2.4856 NiCr22Mo9Nb |
DIN |
| ASME Code Case No. 2468 NACE MR0175 ISO 15156 |
Others |
DM unit
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